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4ohm.
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<blockquote data-quote="theimpaler" data-source="post: 420330" data-attributes="member: 553024"><p>ohms law:</p><p></p><p>in series, final resistance is sum of the resistances. ie. X+Y=Z</p><p></p><p>in parallel, final resistance follows the formula (1/X) + (1/Y) = (1/Z)</p><p></p><p>if you have a 2 dual 4 ohm subs your possible final resistances (as seen by a mono amp) could be 1, 1.6, 4, 10, or 16.</p><p></p><p>you wanted 4 ohms and you could get this 2 ways:</p><p></p><p>wiring each individual sub in parallel and then the 2 subs in series or</p><p></p><p>wiring each individual sub in series and then the 2 subs in parallel</p></blockquote><p></p>
[QUOTE="theimpaler, post: 420330, member: 553024"] ohms law: in series, final resistance is sum of the resistances. ie. X+Y=Z in parallel, final resistance follows the formula (1/X) + (1/Y) = (1/Z) if you have a 2 dual 4 ohm subs your possible final resistances (as seen by a mono amp) could be 1, 1.6, 4, 10, or 16. you wanted 4 ohms and you could get this 2 ways: wiring each individual sub in parallel and then the 2 subs in series or wiring each individual sub in series and then the 2 subs in parallel [/QUOTE]
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